Title:
Anti chain wrap unit for bicycles
United States Patent D342229
Inventors:
Ringle, Geoffrey F. (203 Afton Ave., Trenton, NJ, 08618)
Application Number:
D/913533
Publication Date:
12/14/1993
Filing Date:
07/13/1992
Export Citation:
Click for automatic bibliography generation
Primary Class:
D12/179
Field of Search:
D12/179, 474/80, 474/101, 474/140, 474/144, 474/172
View Patent Images:
Download PDF D342229        PDF help
US Patent References:
5207619Adjustable, compact anti-chain wrap deviceMay, 1993Klein et al.474/101
4961720Front derailleur for bicycles or similar vehiclesOctober, 1991Jury474/80
5013285Chain control apparatusMay, 1991Carlyle474/80
4960402Anti-chain wrap device for bicyclesOctober, 1990Klein et al.474/101
4798562Tensioning device for flexible drive elementJanuary, 1989Matson et al.474/101
Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Brown M.
Attorney, Agent or Firm:
Sperry, Zoda & Kane
Claims:
1. The ornamental design for an anti-chain wrap unit for bicycles, as shown.

Description:

FIG. 1 is a front perspective view of an anti-chain wrap unit for bicycles showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevation view;

FIG. 5 is a rear elevation view;

FIG. 6 is a left side elevation view; and,

FIG. 7 is a right side elevation view.